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Topia!: Science: Earth Sciences: Geomatics: GPS - Global Positioning System (171)
See Also:
GPS Precise Orbits - Global Positioning System satellite ephemerides ("orbits") information for the general public, from US NOAA. GPS precise orbits are derived using 24 hour data segments from the global GPS network. An informational summary file is provided to document the computation and to convey relevant information about the observed satellites, such as maneuvers or maintenance. Orbits generally are available 2 to 6 days after the observation. Satellite Navigation and Positioning Group (SNAP) - SNAP is Australia's largest academic GPS research group specialising in high precision GPS technology and applications. GPS Kwajalein - GPS Ground Station on Kwajalein Island, photographs of the island and site. Links to others GPS sites. Mehaffey and Yeazel's GPS Information - Dozens of reviews and technical articles on GPS receivers and software, and a huge list of GPS links. GPS Control Base Station on Internet - GPS Base Stations located in New Zealand, Australia, and New Guinea. Download GPS data files for $40-$70 per day. Outdoor Gear Reviews - GPS receiver comparisons. Septentrio Satellite Navigation - Dual frequency GPS & GLONASS, as well as EGNOS, WAAS and MSAT based on an in-house single baseband processor. Wing Way Systems - Navigation-Wonder, a shareware GPS mapping navigation software including voice response system [Windows]. Australian Global Positioning Systems Society - A free membership society to bring together the delegates, sponsors, and exhibitors for the Satellite Navigation Conference and to foster, develop, and assist the Global Positioning System disciplines. Internet-based Global Differential GPS - C-language software package for GPS-based real-time positioning and orbit determination. Includes system overview, technical papers, and a live demo . Travel by GPS - Downloadable free GPS maps for travel adventures, self-guided tours, and outdoor activities. Map data includes waypoints and routes for use with handheld GPS and car navigation systems. GPS Applications Exchange - GPS technology usage world-wide is featured. GPS application stories are accessed by geographic regions. GPS tutorials are available to enhance understanding. Waypoint Database - A database of geographical waypoint information and utilities for GPS/GIS users. Hyperbolic Positioning Algorithm - An algorithm for obtaining an exact solution for the three dimensional location of a mobile given the locations of four fixed stations (like a GPS satellite or a base station in a cell) and the signal time of arrival (TOA) from the mobile to each station. From Ralph Bucher. GPS Deformation Monitoring - Objective is the development of a system for rapid and inexpensive monitoring of unstable slopes, such as pit walls, earth\rock slopes and dam walls using global satellite positioning technology. David L. Wilson's GPS Accuracy Web Page - Global Positioning System Accuracy The Global Positioning System: The History of GPS - The history and story of how the Global Positioning System evolved from the development of the world's most accurate timepieces, atomic clocks, by physicists looking into the nature of time. Adapted from an article written by MIT scientist Daniel Kleppner. GPS Site from Univ of Texas - Global positioning system overview and bibliography. GIS Services - Specializes in ArcView GIS training and provides commodities, services and training for implementing and integrating solutions with GIS, GPS, AVL, internet mapping and satellite imagery. Beijing UniStrong Science and Technology - Provides GPS receivers, antennas and related accessories including mapping software. Address to GPS Coordinate Converter - Web application to determine the GPS coordinates of addresses in the United States and Canada. Produces a printable page with adjacent map. Cetus GPS - Navigation, tracking and field data collection software for PalmOS handhelds. The GPS Waypoint Base - Non-commercial project allowing the collection or submission of GPS waypoints. GPS Navigator Adventure Magazine - Online place for learning what GPS is, how to use a GPS receiver unit and share stories with fellow users. GPS.cx Portal - Site with product information, etrex updates and a collection of links and articles about GPS. Emily Programme - A system study researching the coupling of terrestrial positioning and the satellite-based positioning. USCG Navigation Center - GPS, DGPS, LORAN-C, OMEGA, navigation systems, GPS navigation, DGPS navigation. The National GPS Network - Resource from the UK Government intended for GPS-equipped surveyors, and Geographic Information Systems (GIS) developers who work with Ordnance Survey (OS) mapping. Includes the Passive Station Database, Active Station RINEX Data, and Coordinate Converter services. GPS ActiveX - Download information into a Visual Basic application or web page. Garmin, Magellan, Navman or any NMEA 0183 enabled GPS supported. UTM, SPCS, British National Grid, and most other national coordinate systems supported. [Windows and Pocket PC].
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